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Radar observations of a volcanic terrain: Askja Caldera, IcelandSurface roughness spectra of nine radar backscatter units in the Askja caldera region of Iceland were predicted from computer-enhanced like- and cross-polarized radar images. A field survey of the caldera was then undertaken to check the accuracy of the preliminary analysis. There was good agreement between predicted surface roughness of backscatter units and surface roughness observed in the field. In some cases, variations in surface roughness could be correlated with previously mapped geologic units.
Document ID
19780025702
Document Type
Contractor Report (CR)
Authors
Evans, D. L.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
September 3, 2013
Publication Date
October 1, 1978
Subject Category
Geophysics
Report/Patent Number
JPL-PUB-78-81
NASA-CR-157765
Funding Number(s)
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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